diff --git a/sdk/cosmos/azure-cosmos-encryption/CHANGELOG.md b/sdk/cosmos/azure-cosmos-encryption/CHANGELOG.md
index aae1a9c400a34..9181f70f5a847 100644
--- a/sdk/cosmos/azure-cosmos-encryption/CHANGELOG.md
+++ b/sdk/cosmos/azure-cosmos-encryption/CHANGELOG.md
@@ -1,4 +1,4 @@
-# Release History
+## Release History
 
 ### 1.0.0-beta.9 (Unreleased)
 
diff --git a/sdk/cosmos/azure-cosmos/CHANGELOG.md b/sdk/cosmos/azure-cosmos/CHANGELOG.md
index a78cc83193f87..9eda71352eb68 100644
--- a/sdk/cosmos/azure-cosmos/CHANGELOG.md
+++ b/sdk/cosmos/azure-cosmos/CHANGELOG.md
@@ -1,4 +1,4 @@
-# Release History
+## Release History
 
 ### 4.20.0-beta.1 (Unreleased)